File:Special right triangles for trig.svg
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Summary
| Description |
English: Special right triangles in a unit circle are helpful for remembering trig functions of multiples of 30 and 45 degrees. This figure illustrates cos(30) = sin(60) = sqrt(3)/2, and implicitly sin(30) = cos(60) = 1/2 and sin(45) = cos(45) = sqrt(2)/2. |
| Date | |
| Source | made it myself in Inkscape |
| Author | Richard F. Lyon |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:44, 12 February 2011 | | 240 × 240 (5 KB) | Dicklyon | {{Information |Description ={{en|1=Special right triangles in a unit circle are helpful for remembering trig functions of multiples of 30 and 45 degrees. This figure illustrates cos(30) = sin(60) = sqrt(3)/2, and implicitly sin(30) = cos(60) = 1/2 and |
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